The entire chain between the PC and the radio works quite well up to 9600 baud, in my experience. There are several factors affecting it at higher speeds.
But if the issue is mainly about "doppler tracking", there may be another factor to be considered - some radios can't change frequency while transmitting AND for some radios SatPC32 stops providing doppler corrections while transmitting. Either case can be a bit bewildering, esp., with SSB sats. If this is what you are experiencing, it would feel like tracking a high speed runner through a 100x zoom lens.
I guess to escape these issues and for other benefits, I see some have switched to sophisticated SDR setups and are enjoying it. It is very impressive to hear their perfect doppler corrected rag-chew throughout the entire pass, using SatPC32 on my RX.
So, if your receive doppler works well but transmit doppler does not, then you'd know where to look.
73!Umesh, k6vug
On Wednesday, January 2, 2019, 12:14:24 PM PST, D. Craig Fox DFox@rwglaw.com wrote:
Im with the others. I run SATPC on a TS2K and TS2Kx on different PCs at separate locations.. Using FTDI chipped serial adaptors and set up more or less as described by Erich, it has been flawless from day one using slow and fast PCs, XP and W7 pro.
Let us know your progress. Almost always there is an "ah ha" moment.
73s
Craig N6RSX
-----Original Message----- From: AMSAT-BB amsat-bb-bounces@amsat.org On Behalf Of Erich Eichmann Sent: Tuesday, January 1, 2019 12:02 AM To: James McIrvin arsn1ipa@gmail.co; AMSAT-BB@amsat.org Subject: Re: [amsat-bb] Kenwood TS2000 control versus Icom IC9100
Happy New Year to all of you.
James, try the following settings in menu 'Radio Setup': CAT baud rate 57600, CAT delay 30. Options 'Satellite Mode' and 'RTS +12V' checkedd, all other options unchecked. Menü 'CAT': Interval SSB: 50, FM: 100, Speed 1x. Beginning with SatPC32 V. 12.8c it is necessary to check option 'RTS +12V', see FAQs, sect. 5q. The TS-2000 requires hardware handshaking. Setting the RTS pin high simulates that (5 V of the USB-to-Serial converters are sufficient. The PC can't be too fast for the software because of the fix baudrate.
73s, Erich, DK1TB
Am 01.01.2019 um 02:24 schrieb James McIrvin:
I would like to find out which unit has a better tracking for doppler and general connectivity over all. I have been fighting with this TS 2000 keeping my connection with the pc going. I am about ready to deep six this thing. I have gone to a true IO card for the serial connection, Not a USB converter, changed the speeds to match in the settings in both radio and pc. tried different ports and things like that and at times it will track fair and then other times it does not do anything. I have restarted the pc and the radios, shut them both off and then restarted and still, I am having issues. I would like to have a rig that is going to work with Satpc32 in a reasonable fashion. Just keeping this thing working is taking the fun out of trying to get on with the birds and ready to change if it is going to work better. However, I am looking at general input from those that have used these rigs and if they have had good luck with them or if I am asking for something out in left field.
Thank you.
Jim